Igneous Rocks
Igneous rocks are formed by these processes.
What are melting and solidification?
This is what sedimentary rocks start off as.
What is sediment?
These are rocks that can become metamorphic rocks.
What are sedimentary, igneous, and metamorphic rocks?
This word means "containing primarily Fe and Mg"
What is mafic?
Melted rocks or minerals may be called _______
What is magma or lava?
Sediments that range in size from 0.006-0.0004 cm.
What is silt?
These two processes are required for a metamorphic rock to form.
What are heat and pressure?
Rock that is found inside the earth is made from this type of molten rock.
What is magma?
The processes by which sedimentary rocks form.
What are deposition and burial and compaction and/or cementation?
Sandstone is the parent rock of this metamorphic rock.
What is quartzite?
Clastic rocks are made of clasts, or these.
What are fragments?
Igneous rocks can be classified into these two types.
What are intrusive and extrusive rocks? OR What are volcanic and plutonic rocks?
What three types of sedimentary rocks are there?
What are clastic, crystalline and bioclastic?
The metamorphic rock that forms from increased heat and pressure on phyllite.
What is schist?
Regional metamorphism is caused by this.
What is plate movement?
This texture refers to gas bubbles in the surface of the rock.
What is vesicular?
This rock is formed from dead trees and plants (also known as fossils)?
What is bituminous coal?
These are the two categories that metamorphic rocks can be put into.
What are foliated and nonfoliated?
This is how rocks become igneous rocks.
What is melting and solidification?
Magma is called this when it is on the surface of the earth.
What is lava?